0 1 2 3 Sat 20 Nov 1971 Sat 27 Nov 1971 Sat 04 Dec 1971 Sat 11 Dec 1971 Sat 18 Dec 1971 Sat 25 Dec 1971 Sat 01 Jan 1972 Sat 08 Jan 1972 Sat 15 Jan 1972 Sat 22 Jan 1972 Sat 29 Jan 1972 Mon 31 Jan 1972 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All